Home / 74,861,726.70-112,292,590.05-18,128,030.70

Finding the Fourth Proportional to 74,861,726.70, 112,292,590.05 and 18,128,030.70

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Solution

The fourth proportional to 74,861,726.70, 112,292,590.05 and 18,128,030.70 is: 27,192,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,726.70 : 112,292,590.05 = 18,128,030.70 : x
  2. Step 2: Convert to fraction form
    74,861,726.70/112,292,590.05 = 18,128,030.70/x
  3. Step 3: Cross multiply
    74,861,726.70x = 112,292,590.05 × 18,128,030.70
  4. Step 4: Simplify right side
    74,861,726.70x = 2,035,643,519,808,914.50
  5. Step 5: Solve for x
    x = 2,035,643,519,808,914.50/74,861,726.70
  6. Step 6: Final answer
    x = 27,192,046.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.